| Tournament | Round | Sylvia Watkins | David Petrovic |
| 08.02.1998 North West (TAS) | 6 | 298 | 268 |
| 05.07.1998 Southern Tasmania (TAS) | 2 | 325 | 262 |
| 14.03.1999 Ulverstone (TAS) | 10 | 395 | 239 |
| 24.03.2000 Hobart March (TAS) | 2 | 443 | 263 |
| 31.03.2001 Tasmania March (TAS) | 7 | 338 | 254 |
| 27.10.2001 Tasmanian Championships (TAS) | 11 | 352 | 266 |
| 27.10.2002 Tasmnaian Championships (TAS) | 9 | 397 | 248 |
| 09.02.2003 Ulverstone (TAS) | 9 | 321 | 266 |
| 31.05.2003 Bellerive (TAS) | 5 | 373 | 252 |
| 25.01.2004 Ulverstone (TAS) | 12 | 388 | 268 |
| 16.05.2004 East Coast (TAS) | 11 | 395 | 238 |
| 28.03.2005 Australian Championships (TAS) | 16 | 461 | 217 |
| 02.03.2008 Kingston (TAS) | 10 | 424 | 326 |
| Head-to-head after 13 games | 13 | 0 | |
| Average score | 377.69 | 259 | |
| Spread: | 1543 | -1543 | |